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EGTB: win in 4 half-moves

# move score
1 Rc7 win in 3 half-moves
2 Ka4 draw
3 Ka5 draw
4 Ka6 draw
5 Ra7 draw
6 Rb7 draw
7 Rd7 draw
8 Re7 draw
9 Rf2 draw
10 Rf3 draw
11 Rf4 draw
12 Rf8 draw
13 Kb1 loss in 2 half-moves
14 Kb2 loss in 2 half-moves
15 Kb4 loss in 2 half-moves
16 Kb6 loss in 2 half-moves
17 Kc2 loss in 2 half-moves
18 Kc4 loss in 2 half-moves
19 Kc5 loss in 2 half-moves
20 Kc6 loss in 2 half-moves
21 Kd1 loss in 2 half-moves
22 Kd2 loss in 2 half-moves
23 Rf1 loss in 2 half-moves
24 Rf5 loss in 2 half-moves
25 Rf6 loss in 2 half-moves
26 Rg7 loss in 2 half-moves
27 Rh7 loss in 2 half-moves